Download App

STD 11 - 2. Biology classification — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 2. Biology classification1 Mark
MCQ
Which is not a feature of dinoflagellates?
  • A
    They cause red tides
  • B
    Their cell wall has stiff cellulose plates on the outer surface
  • C
    They release toxins
  • ✓
    These are mostly fresh water and non-photosynthetic
✓

Answer

Correct option: D.
These are mostly fresh water and non-photosynthetic
d
Features of dinoflagellates.
$\bullet$ Cell wall has stiff cellulose plates on the outer surface
$\bullet$ Release toxins
$\bullet$ Causes red tides
$\bullet$ Mostly marine and photosynthetic

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 11 - 2. Biology classification→STD 11 - 2. Biology classification — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Under normal physiological conditions in human being every $100 ml$ of oxygenated blood can deliver $ml$ of $O _{2}$ to the tissues.
→
$FSH$ $(follicle\,\, stimulating\,\, hormone)$ is produced by
→
Choose the wrong statement.
→
Choose correct one.
→
Choose the correct option
→
It is not an effect of auxin
→
Oxidative phosphorylation is
→
Choose correct option w.r.t. spongy mesophyll in dicot leaf.
→
Cytokinins are byproducts of:
→
The main function of nor-adrenaline is
→